As The Diff author and all-around genius Byrne Hobart emailed me in a reply to a Not Boring essay a couple years ago: “For any fintech product the question always comes down to: do they have a sustainable advantage in low CAC?” 

With the proliferation of banking APIs in the two years since, and the fierce competition in the financial services... See more

Many of the tools, API’s, and infrastructure created for financial applications were originally created for internal banking customers; however, now with the rise of consumer and business fintech applications, we are going to see outside developers as the new emerging customer.

Financial institutions were built to on-board people as customers (retail) or business owners as customers (SMB); however, today there is a new class of users needing access to the underlying financial infrastructure these banks use - developers.